EP 0985440 A1 20000315 - Cyrogenic rectification system with corona discharge feed air pretreatment
Title (en)
Cyrogenic rectification system with corona discharge feed air pretreatment
Title (de)
Kryogenisches Rektifikationsystem mit Vorbehandlung mittels elektrischer Koronaentladung
Title (fr)
Système de rectification cryogénique comprenant un prétraitement par décharge couronne
Publication
Application
Priority
US 15024498 A 19980910
Abstract (en)
A system including the pretreatment of feed air for a cryogenic air separation plant wherein feed air is passed through an electric field, oxygen is ionized, and ionized oxygen is reacted with hydrocarbons upstream of an adsorption prepurifier, and subsequent separation of the feed air by cryogenic rectification. <IMAGE>
IPC 1-7
IPC 8 full level
B01D 53/32 (2006.01); B01J 19/08 (2006.01); F25J 3/04 (2006.01)
CPC (source: EP KR US)
B01D 53/32 (2013.01 - EP KR US); B01J 19/08 (2013.01 - KR); F25J 3/04 (2013.01 - KR); F25J 3/04163 (2013.01 - EP US); F25J 3/04169 (2013.01 - EP US); B01J 2219/0849 (2013.01 - EP US); B01J 2219/0894 (2013.01 - EP US); F25J 2205/86 (2013.01 - EP US)
Citation (search report)
- [A] EP 0585820 A2 19940309 - AIR PROD & CHEM [US]
- [A] US 4560393 A 19851224 - WAY JAMES [US]
- [A] FR 2717403 A1 19950922 - CZERNICHOWSKI ALBIN [FR]
Designated contracting state (EPC)
DE ES FR GB IT
DOCDB simple family (publication)
EP 0985440 A1 20000315; BR 9904093 A 20000919; CA 2282025 A1 20000310; CN 1248481 A 20000329; ID 23704 A 20000511; KR 20000023008 A 20000425; US 6042699 A 20000328
DOCDB simple family (application)
EP 99117808 A 19990909; BR 9904093 A 19990909; CA 2282025 A 19990909; CN 99118566 A 19990909; ID 990835 D 19990902; KR 19990038276 A 19990909; US 15024498 A 19980910